16000001101181 has 2 divisors, whose sum is σ = 16000001101182. Its totient is φ = 16000001101180.

The previous prime is 16000001101157. The next prime is 16000001101213. The reversal of 16000001101181 is 18110110000061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15698315652100 + 301685449081 = 3962110^2 + 549259^2 .

It is a cyclic number.

It is not a de Polignac number, because 16000001101181 - 2¹⁴ = 16000001084797 is a prime.

It is a super-2 number, since 2×16000001101181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16000000101181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000000550590 + 8000000550591.

It is an arithmetic number, because the mean of its divisors is an integer number (8000000550591).

Almost surely, 2^{16000001101181} is an apocalyptic number.

It is an amenable number.

16000001101181 is a deficient number, since it is larger than the sum of its proper divisors (1).

16000001101181 is an equidigital number, since it uses as much as digits as its factorization.

16000001101181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 20.

The spelling of 16000001101181 in words is "sixteen trillion, one million, one hundred one thousand, one hundred eighty-one".